Seattle Mariners pitching prospect Kade Anderson has shined in Double-A, but it hasn't gone as smoothly for Ryan Sloan.

Luis Castillo has really struggled over his last five starts, leaving some to wonder if Kade Anderson should get his shot ...

Ryan Sloan’s ERA looks rough through four Double-A starts, but the Mariners prospect is showing signs that his shaky start is more deceptive than alarming.

Bleacher Report's Joel Reuter predicts that in April, the Mariners will promote their top prospect from Triple-A to provide a spark.  "Colt Emerson made a serious run at the Opening Day roster during ...

Mariners prospect Luke Stevenson has continued to be a willing recipient of knowledge and information from the spring to his ...

Top prospect Colt Emerson and the Seattle Mariners have agreed to a $95 million, eight-year contract, the largest amount for ...

Seattle Mariners top prospect Colt Emerson is very close to making his big league debut, according to the team's president of baseball operations.

PEORIA, ARIZONA - FEBRUARY 24: Colt Emerson #85 of the Seattle Mariners at bat during the second inning of a spring training game against the Chicago White Sox at Peoria Stadium on February 24, 2026 ...

The Seattle Mariners opened 2026 with a league-best seven players in MLB Pipeline’s Top 100, reinforcing their status as one ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. ANAHEIM, Calif. (AP) — Seattle Mariners top prospect Colt Emerson was listed as day to day on ...

SEATTLE — The Seattle Mariners have agreed to a $95 million, eight-year contract with top prospect Colt Emerson, a person familiar with the situation told The Associated Press on Tuesday. The contract ...